Freshwater flows out of Santa Ana River and is entrained in the surf zone, being advected north along Huntington Beach while also being diluted by offshore water outside the surf zone.(a)If fecal coliform concentration in the river is 6.104 MPN/100mL what is the concentration along the beach, given that a sali

Why are fossils of organism's from the phanerozoic eon much more likely to be found than fossils of organisms from any other eon? a. more organisms present during the phanerozoic eon had soft body parts. b. organisms present during the phanerozoic eon were all microscopic. c. more organisms present during the phanerozoic eon had hard body parts. d. organisms present during the phanerozoic eon are the most ancient life forms.

On nights when we see the new moon phase, what side of the moon are we seeing?

In the following diagram, four different index fossils are labeled: which of the labeled fossils comes from the oldest organism? a b c d